dyn_shim 0.2.0

Generate dyn-compatible shim traits
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

use dyn_shim::dyn_shim;

#[allow(async_fn_in_trait)]
#[dyn_shim(Dyn)]
trait Src {
    fn keep(&self) -> i32;
    async fn fetch(&self) -> i32; // async: skipped from the shim
}

struct S;
impl Src for S {
    fn keep(&self) -> i32 {
        0
    }
    async fn fetch(&self) -> i32 {
        0
    }
}

fn main() {
    let d: &dyn Dyn = &S;
    // `fetch` is not part of `Dyn`.
    let _ = d.fetch();
}